Exam Questions | 100% Correct Answers
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When using the scientific method, it is necessary to: - ✔✔Test a hypothesis
A researcher wants to know if WSU students are taller than USU students. Her null hypothesis is: -
✔✔There is no difference in the height of students from either university
A dependent variable is: - ✔✔A response to a change in the independent variable.
"Intelligent design" is not a scientific concept because: - ✔✔It is not testable.
T/F: Science can guide us toward making wise moral decisions. - ✔✔False
You conduct a study to find out which concentration of plant fertilizer will result in taller plant growth.
What is the independent variable? What is the dependent variable? What is your null hypothesis? -
✔✔The independent variable is the fertilizer concentration. The dependent variable is the plant height.
The null hypothesis is that different fertilizer concentration will not result in different plant heights.
Can the scientific method be used to determine the existence of angels? - ✔✔No
Carolus Linnaeus was responsible for the design of the system of ___________ which we currently use. -
✔✔Binomial classification
The scientific name of any species consists of... - ✔✔The generic and specific epithets.
Corn plants and people branched off from a common ancestor on the Tree of Life at the taxonomic level
of the - ✔✔Kingdom.
, Cladistic analysis groups together organisms that share - ✔✔Derived characteristics
T/F: A species can contain several genera. - ✔✔False
In the scientific name for a species... - ✔✔-the species is lower case
-there are two words.
-the genus is capitalized
T/F: All plants and all animals come from a single common ancestor. - ✔✔True
T/F: The scientific name of a plant can sometimes commemorate a person. - ✔✔True
Photosynthesis uses ....1... from the air and ...2... from soil and ...3... from the sun to produce ...4... -
✔✔Carbon dioxide
Water
Energy
Glucose (sugar)
Why are (most) plants green? - ✔✔Because chlorophyll reflects green light wavelengths.
Which of the following statements about respiration is true? - ✔✔-Respiration occurs in plants and
animals.
-Respiration is the opposite of photosynthesis.
-Respiration releases carbon dioxide, water and energy.
A heterotroph: - ✔✔is an organism that feeds on other organisms.
Organisms in an ecosystem are grouped within ....1... which are part of ....2.... that in turn make up
....3.... . All the above are part of a(n) ....4.... - ✔✔Populations